56178888900 has 36 divisors (see below), whose sum is σ = 162544252752. Its totient is φ = 14981036960.

The previous prime is 56178888869. The next prime is 56178888907. The reversal of 56178888900 is 988887165.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (56178888907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93631182 + ... + 93631781.

It is an arithmetic number, because the mean of its divisors is an integer number (4515118132).

Almost surely, 2^56178888900 is an apocalyptic number.

56178888900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56178888900 is an abundant number, since it is smaller than the sum of its proper divisors (106365363852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56178888900 is a wasteful number, since it uses less digits than its factorization.

56178888900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187262980 (or 187262973 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 60.

The spelling of 56178888900 in words is "fifty-six billion, one hundred seventy-eight million, eight hundred eighty-eight thousand, nine hundred".